Title: Mainframe DB2 DBA Lead Location: Remote Duration: 12 Months Overview: We are Seeking an experienced Mainframe Database Lead to support and guide enterprise DB2 environments running on IBM z/OS platforms. This role will drive database reliability, performance, recovery readiness, platform upgrades, and operational excellence across critical production environments.

Key Responsibilities

Lead administration and support of DB2 databases on z/OS. Manage performance tuning, SQL optimization, and capacity planning activities. Design and review database structures, indexing strategies, and storage configurations. Oversee backup, recovery, and disaster recovery processes. Drive DB2 upgrades, migrations, and maintenance initiatives. Troubleshoot complex production issues and provide technical leadership during critical incidents. Collaborate with infrastructure, security, storage, and application teams. Define standards, best practices, and operational procedures for database management. Mentor junior DBAs and provide technical guidance on strategic database initiatives. Required Skills Extensive experience with DB2 for z/OS administration. Strong knowledge of z/OS, JCL, TSO/ISPF, SDSF, and JES2. Expertise in SQL tuning, performance analysis, and DB2 utilities. Experience with backup/recovery strategies and disaster recovery planning. Knowledge of database security, access controls, and compliance requirements. Proven experience leading DB2 upgrade, migration, and modernization projects. Preferred: DB2 Data Sharing / Parallel Sysplex RACF BClient Tools REXX IMS, CICS, MQ Banking, Financial Services, or other regulated environments